It allows the user to control their presence, listen to voicemail messages (via media streaming), system directory search, call journal and conferencing. The telephony part works by instructing the PBX to make a call to the iPhone, then the PBX makes a call to the desired party. Both calls are made using ISDN. The application also includes proprietary chat (IM).

It allows the user to control their presence, listen to voicemail messages (via media streaming), system directory search, call journal and conferencing. The telephony part works by instructing the PBX to make a call to the iPhone, then the PBX makes a call to the desired party. Both calls are made using ISDN. The application also includes proprietary chat (IM).